On the fourth hour of NBC's 'Today,' Broadway performers Idina Menzel and James Snyder perform the song "Here I Go" from the new musical "If/Then," in which Menzel's character lives out two different storylines. Check out the bonus performance below!

If/Then follows Elizabeth as she rebuilds her life in New York, a city of infinite possibilities. This contemporary musical is set where choice and chance collide. In one moment, Elizabeth will lead parallel lives. This is the story of both.

If/Then is an original Broadway musical which reunites Tom Kitt (music), Brian Yorkey (book and lyrics), and Michael Greif (director), the creative team behind the Pulitzer Prize and Tony Award-winning musical, Next to Normal. If/Then is being produced by David Stone, who produced both Wicked and Next to Normal.

Menzel (Wicked, Rent, Aida) is currently starring in If/Then, a new musical on Broadway that explores the effects chance and choice take on one woman's life. If/Then reuintes Menzel with Anthony Rapp, her original Rent co-star (the pair played Maureen and Mark, respectively). The musical also stars Tony award winner LaChanze (The Color Purple).